<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>houdunren.com</title>
  </head>
  <body></body>
  <script>
    let arr = ["hdcms", "houdunren"];
    let hd = ["js", "css"];
    // function sum(...args) {
    //   // console.log(args);
    //   return args.reduce((s, v) => {
    //     return (s += v);
    //   }, 0);
    // }
    // console.log(sum(1, 2, 34, 54, 5));
    // arr = [...arr, ...hd];
    // console.log(arr);

    // for (const value of hd) {
    //   arr.push(value);
    // }
    // console.table(arr);
  </script>
</html>
